JPS625964B2 - - Google Patents
Info
- Publication number
- JPS625964B2 JPS625964B2 JP55034917A JP3491780A JPS625964B2 JP S625964 B2 JPS625964 B2 JP S625964B2 JP 55034917 A JP55034917 A JP 55034917A JP 3491780 A JP3491780 A JP 3491780A JP S625964 B2 JPS625964 B2 JP S625964B2
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- hot metal
- vessel
- molten steel
- refining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000007664 blowing Methods 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 238000006477 desulfuration reaction Methods 0.000 claims description 27
- 230000023556 desulfurization Effects 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000007670 refining Methods 0.000 claims description 26
- 239000002893 slag Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000003009 desulfurizing effect Effects 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 17
- 238000003756 stirring Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 8
- 229910000805 Pig iron Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910006639 Si—Mn Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3491780A JPS56130416A (en) | 1980-03-19 | 1980-03-19 | Steel making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3491780A JPS56130416A (en) | 1980-03-19 | 1980-03-19 | Steel making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56130416A JPS56130416A (en) | 1981-10-13 |
| JPS625964B2 true JPS625964B2 (de) | 1987-02-07 |
Family
ID=12427565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3491780A Granted JPS56130416A (en) | 1980-03-19 | 1980-03-19 | Steel making method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56130416A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2674041B2 (ja) * | 1987-09-17 | 1997-11-05 | 日本鋼管株式会社 | 低窒素ステンレス鋼の製造方法 |
| JP2751924B2 (ja) * | 1987-09-17 | 1998-05-18 | 日本鋼管株式会社 | 低窒素ステンレス鋼の製造方法 |
| CN109680115A (zh) * | 2019-01-31 | 2019-04-26 | 武汉科技大学 | 一种用于钢水的脱氧及微合金化方法 |
| CN112029958A (zh) * | 2020-08-14 | 2020-12-04 | 北京科技大学 | 一种高品质弹簧钢及其精炼方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5228418A (en) * | 1975-08-29 | 1977-03-03 | Nippon Steel Corp | Oxygen steel making process using low p and s pig iron as raw material |
| JPS5265769A (en) * | 1975-11-28 | 1977-05-31 | Nittetsu Mining Co Ltd | Apparatus for feeding vapor intercepting powder |
| JPS52105515A (en) * | 1976-03-03 | 1977-09-05 | Nippon Steel Corp | Dephosphorization of molten pig iron |
| JPS5371615A (en) * | 1976-12-08 | 1978-06-26 | Nippon Steel Corp | Method and apparatus for continuously decarburizing hot iron |
| JPS54103719A (en) * | 1978-02-01 | 1979-08-15 | Nisshin Steel Co Ltd | Production of low phosphorous and sulfur steel by using conuerter |
-
1980
- 1980-03-19 JP JP3491780A patent/JPS56130416A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5228418A (en) * | 1975-08-29 | 1977-03-03 | Nippon Steel Corp | Oxygen steel making process using low p and s pig iron as raw material |
| JPS5265769A (en) * | 1975-11-28 | 1977-05-31 | Nittetsu Mining Co Ltd | Apparatus for feeding vapor intercepting powder |
| JPS52105515A (en) * | 1976-03-03 | 1977-09-05 | Nippon Steel Corp | Dephosphorization of molten pig iron |
| JPS5371615A (en) * | 1976-12-08 | 1978-06-26 | Nippon Steel Corp | Method and apparatus for continuously decarburizing hot iron |
| JPS54103719A (en) * | 1978-02-01 | 1979-08-15 | Nisshin Steel Co Ltd | Production of low phosphorous and sulfur steel by using conuerter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56130416A (en) | 1981-10-13 |
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